Which of the following belongs to secondary a | vedclass

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Question

(C) Primary pollutants are emitted directly from sources into the atmosphere. Examples include $CO$,$CO_2$,$SO_2$,and hydrocarbons.Secondary pollutant

Vedclass · Accepted Answer

Peroxyacetyl nitrate

Vedclass · Answer

(C) Primary pollutants are emitted directly from sources into the atmosphere. Examples include $CO$,$CO_2$,$SO_2$,and hydrocarbons.Secondary pollutants are not emitted directly but are formed through chemical reactions between primary pollutants and other atmospheric components.Peroxyacetyl nitrate $(PAN)$ is a classic example of a secondary pollutant formed by the reaction of nitrogen oxides and hydrocarbons in the presence of sunlight.

Which of the following belongs to secondary air pollutants?

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Photochemical smog consists of an excessive amount of $X$,in addition to aldehydes,ketones,peroxyacetyl nitrate $(PAN)$,and so forth. $X$ is

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